Grundig T 55-830 text Manual page 25

CORRECTING MALFUNCTIONS YOURSELF
If the remedies below are not sucessful, please consult an authorised GRUNDIG dealer. Please bear
in mind that malfunctions can also be caused by external devices such as video recorders or satellite
receivers.
Malfunction
no picture or sound
Screen lit (snow or blue) but no
transmission visible
poor picture contrast
Interference to picture and/or
sound
Ghost image, reflection
no colour
Possible cause
no mains voltage
television set in ready mode
television set at a non-occupied AV
channel position
aerial cable
no television channel programmed
picture settings mis-set
Problem at station
Malfunctions due to other devices
(household devices, mobile ´phones, etc.)
Channel settings
aerial
Colour intensity at minimum
TV- norm setting
(if setting option available)
Problem at station
_______________
Remedy
Is mains cable connected?
Is mains switch on?
switch on with remote control
switch to a different channel position
Is aerial cable connected?
Is aerial system O.K.?
Start channel search
Alter brightnes, contrast or colour setting
test with another channel
Change the position of the set
automatic or manual channel setting/fine
tuning
have aerial or system checked
turn colour up
select correct colour norm
test with another channel
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